<template>
  <div class="app-container">
    <h2 style="text-align: center;">发布新视频</h2>
    <el-steps :active="2" process-status="wait" align-center style="margin-bottom:40px" finish-status="success">
      <el-step title="填写视频基本信息"></el-step>
      <el-step title="创建视频大纲"></el-step>
      <el-step title="最终发布"></el-step>
    </el-steps>
    <div class="ccInfo">
      <img :src="coursePublish.cover">
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
        <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span></p>
        <p>视频作者：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <div>
      <el-button @click="previous">返回修改</el-button>
      <el-button :disabled="saveBtnDisabled" type="primary" @click="publish">发布视频</el-button>
    </div>
  </div>
</template>
<script>
  import course from '@/api/edu/course'
  export default {
    data() {
      return {
        saveBtnDisabled: false,
        courseId: '',
        coursePublish: {}
      };
    },
    created() {
      if (this.$route.params && this.$route.params.id) {
        this.courseId = this.$route.params.id
        this.getCoursePublishId()
      }
    },
    methods: {
      previous() {
        this.$router.push({path:'/course/chapter/2'})
      },
      publish() {
        course.publishCourse(this.courseId)
          .then(response => {
            this.$message({
              type: 'success',
              message: '视频发布成功!'
            });
            this.$router.push({ path: '/course/list' })
          })
      },
      getCoursePublishId() {
        course.getPublishCourseInfo(this.courseId)
          .then(response => {
            this.coursePublish = response.data.publishCourse
          })
      },
    }
  }
</script>
<style scoped>
  .ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #DDD;
    margin-bottom: 40px;
    position: relative;
  }

    .ccInfo img {
      background: #d6d6d6;
      width: 500px;
      height: 278px;
      display: block;
      float: left;
      border: none;
    }

    .ccInfo .main {
      margin-left: 520px;
    }

      .ccInfo .main h2 {
        font-size: 28px;
        margin-bottom: 30px;
        line-height: 1;
        font-weight: normal;
      }

      .ccInfo .main p {
        margin-bottom: 10px;
        word-wrap: break-word;
        line-height: 24px;
        max-height: 48px;
        overflow: hidden;
      }

      .ccInfo .main p {
        margin-bottom: 10px;
        word-wrap: break-word;
        line-height: 24px;
        max-height: 48px;
        overflow: hidden;
      }

      .ccInfo .main h3 {
        left: 540px;
        bottom: 20px;
        line-height: 1;
        font-size: 28px;
        color: #d32f24;
        font-weight: normal;
        position: absolute;
      }
</style>
